Network · AS399989

AS399989 ULTRA ONE

AS399989 (ULTRA ONE) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS399989

  • OwnerULTRA ONE
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses10,496
  • IPv4 ranges19
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 82.38.184.0/21
  • 82.38.176.0/22
  • 74.2.180.0/22
  • 65.86.140.0/22
  • 216.46.80.0/22
  • 109.111.60.0/22
  • 43.242.139.0/24
  • 23.129.160.0/24
  • 216.183.228.0/24
  • 209.236.207.0/24
  • 198.102.10.0/24
  • 193.135.119.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS399989 traffic at signup.

Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.

curl https://veqen-app.com/v1/ip/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip": "203.0.113.7"}'
import os, requests

r = requests.post(
    "https://veqen-app.com/v1/ip/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"ip": "203.0.113.7"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])
const res = await fetch("https://veqen-app.com/v1/ip/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);
Questions

About AS399989

Is AS399989 a datacenter or VPN network?

AS399989 (ULTRA ONE) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS399989?

AS399989 is registered to ULTRA ONE. It announces about 10,496 IPv4 addresses.

How do I detect traffic from AS399989?

Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.